Thread: Tysabri - 9th case of PML
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Old 04-20-2009, 06:06 PM
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Join Date: Aug 2006
Location: Vancouver, Canada
Posts: 3,300
15 yr Member
Default Tysabri - 9th case of PML
The 9th case of confirmed PML (or 6th, Post-marketing), was revealed on the Biogen site on Friday . . . .

http://arthritis.about.com/gi/dynami...e%2F019_2.html

So that brings the total ratio of confirmed cases (for those who've used it for 18+ mo, including trial patients), to 9:24,400:

14,400 – used it for 18 mo (post-marketing)
6,800 – used it for 24 mo (post-marketing)
1,800 – were on 18 mo (during trials)
1,400 – were on 24 mo (during trials)
24,400

Or a current ratio of 1:2711.

Cherie
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tamiloo (04-20-2009)